Lazabemide(Ro 19-6327/000) is selective, reversible monoamine oxidase B (MAO-B) inhibitor (IC50 values are 0.03 and > 100 μM for MAO-B and MAO-A respectively).

Lazertinib (YH25448, GNS-1480) is a highly potent, mutant-selective, irreversible, brain-penetrant and orally active EGFR tyrosine-kinase inhibitors for both the T790M mutation and activating EGFR mutations

LB-100 is a small-molecular protein phosphatase 2A(PP2A)inhibitor with IC50 of 0.85 μM and 3.87 μM in BxPc-3 and Panc-1 cells.

LB-102 (LB-1.2, LB 102) is a a selective dopamine D2/3/5-HT7 inhibitor.

LCH 7749944 (GNF-PF-2356) is a novel and potent PAK4 with IC50 of 14.93 uM, shows weak activity against other PAK family members.

LCL161 is an oral small molecule antagonist of Apoptosis Proteins (IAPs) that sensitizes a subset of tumors from diverse lineages to treatment with cytotoxic therapies.

LCZ696 is a first-in-class dual inhibitor of the angiotensin II receptor(AT II receptor) and neprilysin; a novel single molecule comprising molecular moieties of valsartan and NEP inhibitor prodrug AHU377 (1:1 ratio).

LDC000067(LDC-067) is a highly specific CDK9 inhibitor with IC50 of 32.7 nM for CDK9/cyclin T1; displays 55/125/210/ >227/ >227-fold selectivity for CDK9 versus CDK2/1/4/6/7.

LDC1267 is a highly selective TAM(Tyro3, Axl and Mer) kinase inhibitor with IC50 of <5 nM/8 nM/29 nM for Tyro3,Axl and Mer respectively.

LDC4297 is a novel CDK7 inhibitor.

LDE225 (NVP-LDE225) is a Smoothened (Smo) antagonist, inhibiting Hedgehog (Hh) signaling with IC50 of 1.3 nM (mouse) and 2.5 nM (human), respectively. Phase 3.

LDE225 (NVP-LDE225) is a Smoothened (Smo) antagonist, inhibiting Hedgehog (Hh) signaling with IC50 of 1.3 nM (mouse) and 2.5 nM (human), respectively. Phase 3.

LDK378 is a highly selective ALK inhibitor with IC50 of 2 nM

LDN-192960 is a potent and selective inhibitor of haspin (Haploid Germ Cell-Specific Nuclear Protein Kinase). IC50 = 0.010 µm

LDN193189 HCl is a selective BMP signaling inhibitor, inhibits the transcriptional activity of the BMP type I receptors ALK2 and ALK3 with IC50 of 5 nM and 30 nM, respectively, exhibits 200-fold selectivity for BMP versus TGF-β.

LDN193189 is a selective BMP signaling inhibitor, inhibits the transcriptional activity of the BMP type I receptors ALK2 and ALK3 with IC50 of 5 nM and 30 nM, respectively.

LDN-212320(OSU-0212320) is a glutamate transporter EAAT2 activator; enhances EAAT2 levels by > 6 fold at concentrations < 5 μM after 24 h.

LDN-212854 is a potent and selective BMP receptor inhibitor with IC50 of 1.3 nM for ALK2, about 2-, 66-, 1641-, and 7135-fold selectivity over ALK1, ALK3, ALK4, and ALK5, respectively.

LDN-214117 is a potent and selective ALK2 inhibitor with IC50 of 22 nM; > 100 fold selectivity for ALK5; also inhibits BMP6(IC50=100 nM).

LDN-57444 is a reversible, competitive proteasome inhibitor for Uch-L1 with IC50 of 0.88 μM, 28-fold selectivity over isoform Uch-L3.

Ledipasvir(GS5885) is an inhibitor of the hepatitis C virus NS5A protein. Ledipasvir is an experimental drug for the treatment of hepatitis C.

LEE011 Hcl is an orally available cyclin-dependent kinase (CDK) inhibitor targeting cyclin D1/CDK4 and cyclin D3/CDK6 cell cycle pathway, with potential antineoplastic activity.